Philosophical essays [electronic resource] : in several letters to the Royal Society, containing a discovery of the cause of thunder, with a subsequent Explanation and Demonstration of the same. The Cause of the Ascent, Station, and Descent of Vapours and Exhalations: The Cause of Winds; and, an Explanation of the general Phaenomena of the Weather, Barometer, &c. The true Rudiments and Theory of Electricity and Magnetism. An Attempt to shew that the Electrical Powers are the Cause of the Reflection and Refraction of Light. Some Mention of the wonderful Medicinal Effects of Electricity on a great Number of Patients, whom the Author has cured of Palsies, and many other Disorders. With other useful Matters, which may be deduced from these Essays. By Henry Eeles, Esq; .